electroscope〔名词〕验电器详细»
electroscope〔名词〕验电器详细»
electroscope〔名词〕验电器详细»
electroscope〔名词〕验电器详细»
electroscope〔名词〕验电器详细»
electroscope验电器[ 用于检示电位差或电荷的静电系仪表。(ICB)]详细»
electroscope〔名词〕验电器详细»
electroscope〔名词〕验电器,试电笔,验电笔详细»
验电器electroscope;galvanoscope详细»
验电器electroscope;galvanoscope;rheoscope详细»
验电器electroscope galvanoscope rheoscope详细»